//
// This file is part of Adguard for iOS (https://github.com/AdguardTeam/AdguardForiOS).
// Copyright © Adguard Software Limited. All rights reserved.
//
// Adguard for iOS is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Adguard for iOS is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Adguard for iOS. If not, see <http://www.gnu.org/licenses/>.
//

import UIKit

/// `UIPageControl` that is styled with our colors
class AGPageControl: UIPageControl {

    required init?(coder: NSCoder) {
        super.init(coder: coder)
        initialize()
    }

    override init(frame: CGRect) {
        super.init(frame: frame)
        initialize()
    }

    init() {
        super.init(frame: .zero)
        initialize()
    }

    func updateTheme(_ themeService: ThemeServiceProtocol) {
        pageIndicatorTintColor = themeService.pageIndicatorTintColor
    }

    private func initialize() {
        currentPageIndicatorTintColor = UIColor.AdGuardColor.lightGreen1
        pageIndicatorTintColor = .clear
    }
}

fileprivate extension ThemeServiceProtocol {
    var pageIndicatorTintColor: UIColor { themeIsDark ? UIColor.AdGuardColor.lightGray3 : UIColor.AdGuardColor.lightGray5 }
}
